# FX5U PLC Not Communicating with mc protocol node in Node-RED

**URL:** https://discourse.nodered.org/t/fx5u-plc-not-communicating-with-mc-protocol-node-in-node-red/92313
**Category:** Industrial
**Created:** [11 October 2024 11:04 UTC](https://discourse.nodered.org/t/fx5u-plc-not-communicating-with-mc-protocol-node-in-node-red/92313 "2024-10-11T11:04:54Z")
**Posts on this page:** 1
**Showing post:** 12

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### Author: ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)
#### Post date: [11 October 2024 15:35 UTC](https://discourse.nodered.org/t/fx5u-plc-not-communicating-with-mc-protocol-node-in-node-red/92313/12 "2024-10-11T15:35:31Z")

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> [@Jayeshpitale1](#):
>
> What about Multiple Address to handle in 1 node is it possible

See this in another thread recently posted and answered.

> [@Multiple address in function node or mc protocol node](https://discourse.nodered.org/t/multiple-address-in-function-node-or-mc-protocol-node/92294/2):
>
> The MC Protocol node can request more than 1 thing at a time. This is documented in the built in help. NOTE: Addresses must be in the same device area (memory area). NOTE: Even if you want DM1, DM30 and DM99 - it is STILL quicker (and better, for consistency) to request 1 lot of 100 things than it is to make 3 separate requests Here is an article I wrote explaining why: [Modernize your legacy industrial data. Part 2. • FlowFuse](https://flowfuse.com/blog/2023/09/modernize-your-legacy-industrial-data-part2/) PS: the buffer-parser node can help with data conversi…

PS: Is that also you? or perhaps a colleagues account?

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